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Table 1 Chemical composition of bark from two commercial clones, Eucalyptus grandis (EG) and Eucalyptus grandis x urophylla (HGU)

From: Effects of pretreatment on morphology, chemical composition and enzymatic digestibility of eucalyptus bark: a potentially valuable source of fermentable sugars for biofuel production – part 1

Cell-wall monosaccharides (%)

HGU

EG

Fucose

0.10 ± 0.01

0.12 ± 0.01

Rhamnose

0.32 ± 0.04

0.34 ± 0.04

Arabinose

1.03 ± 0.04

1.14 ± 0.04

Galactose

0.91 ± 0.03

1.19 ± 0.03

Glucose

38.85 ± 0.90

39.55 ± 0.66

Xylose

9.62 ± 0.10

8.64 ± 0.15

       Total solubles (%)

25.77 ± 0.82

26.64 ± 0.73

       Soluble Sugars (%)

  

Glucose

1.71 ± 0.17

0.76 ± 0.04

Fructose

4.54 ± 0.58

2.60 ± 0.15

Sucrose

2.90 ± 0.28

1.81 ± 0.07

       Total lignin (%)

19.68 ± 0.33

14.71 ± 0.34

Klason Lignin

16.86 ± 0.41

11.41 ± 0.45

Soluble lignin

2.82 ± 0.36

3.30 ± 0.20

       Ashes

4.06 ± 0.04

7.14 ± 0.25

       Total (%)

100.34 ± 4.16

99.47 ± 3.78

  1. Amounts are expressed in percentage of a dry matter.